SMALLRIG Red Ratchet Wingnut M5 thread Screw 2pcs 1623.They are spring loaded, and can be pulled out and turned to a more user friendly position after being tightened.
2x Wingnut M5 Thread Screw
Net Weight: 20g
The wingnut is attachable to accessories with M5 threaded hole and lock them tight. It is very useful and flexible. I would like to give it a "like"!